/* html,body{
    height: 100%;
    width: 100%;
} */
.center{
    width: 100%;
    height: 3400px;
    position: relative;
    overflow: hidden;
    /* overflow-y: auto; */
}
.middle{
    width: 900px;
    /* height: 100%; */
    /* border: 1px solid black; */
    position: absolute;
    left: 350px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.middle ul{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    /* overflow-y: auto; */
}
.middle ul li{
    width: 296px;
    height: 400px;
    /* border: 1px solid black; */
}
.middle ul li a{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.middle ul li a p:nth-of-type(1){
    width: 100%;
    height: 310px;
    background-color: #f5f5f7;

}
.middle ul li a img{
    width: 180px;
    height: 310px;
    margin-left: 58px;
    background-color: white;
    /* border: 1px solid palegoldenrod; */
}
.middle ul li a span{
    font-size: 8px;
    color: #000000;
}
.middle ul li a span:nth-of-type(1){
    margin-top: 10px;
    margin-left: 10px;
}
.middle ul li a span:nth-of-type(2){
    /* margin-top: 10px; */
    margin-left: 10px;
}
.middle ul li a p:nth-of-type(2){
    margin-top: 15px;
}

.more_btn{
    position: absolute;
    top: 950px;
    left: 500px;

}
.center_right{
    width: 511px;
    height: 721px;
    background-color: #ffffff;
    position: fixed;
    top: 0;
    right: -511px;
    z-index:10;
    transition: all 1s;
}
.center_right div{
    width: 471px;
    height: 98px;
    padding: 17px 20px 0 20px;
}
.center_right div input{
    width: 449px;
    height: 18px;
    padding: 1px 2px 1px 0;
    border: none;
    outline: none;
    font-size: 15px;
    font-weight: 700;
}
.center_right div i{
    font-size: 11px;
    line-height: 15px;
    font-weight: 400;
}
.center_right div input::-webkit-input-placeholder{
    font-size: 15px;
    font-weight: 700;
}
.center_right div ul{
    width: 471px;
    height: 57px;
    margin-top: 20px;
}
.center_right div p{
    font-size: 11px;
    line-height: 15px;
    font-weight: bold;
}
.center_right div ul li a{
    font-size: 11px;
    line-height: 15px;
    color: #000;
    font-weight: 700;
}
.even{
    width: 1519px;
    height: 722px;
    background-color: gray;
    opacity: .7;
    z-index: 7;
    position: fixed;
    top: 0;
    display: none;
}
.btn_more{
    width: 255px;
    height: 25px;
    /* padding: 5px; */
    border: 1px solid #000;
    margin-top: 60px;
    margin-bottom: 65px;
    text-align: center;
    font-size: 11px;
    line-height: 14px;
    margin-left: 313px;
    margin-right: 313px;
    background-color: #fff;
}

